I just need the answers The work does not need to be shown

Mal Benner, De 3 eee format Go... Hwn HRwio 7P027. 04 points My Notes Ask Your Teacher A spring and block are in the arrangement of the figure below. When the block is pulled out to x +5.0 cm, we must apply a force of magnitude 340 N to hold it there. We pull the block to x +15.0 cm and then release it. attached to spring positive E positive Figure (a): A spring in its relaxed state. The origin of an x axis has been placed at the end of the spring that is attached to a block,

Solution

a) 8.925 J ( difference in potential energies = 1/2 k (x1²-x²)

b) 19.805 J

c) 28.73 J

d) 96.62 J